we are tyco integrated security. and we are sharper. >>> the fbi released images of the two suspects in the boston marathon bombing. our breaking news coverage continues in a moment. ♪ [ indistinct shouting ] [ male announcer ] time and sales data. split-second stats. [ indistinct shouting ] ♪ it's so close to the options floor... [ indistinct shouting, bell dinging ] ...you'll bust your brain box. ♪ all on thinkorswim from td ameritrade. ♪ >>> if you're just joining us here in the united states, and around the world, we're following the breaking news in "the situation room." the fbi has released video and photos of the two suspects in the boston marathon terror attack. the fbi is asking help to find the two men seen at the site of the bombings. >> today we're enlisting the public's help to identify the two suspects. after a very detailed analysis, a photo, video and other evidence, we are releasing photos of these two suspects. they are identified as suspect one, and suspect two. they appear to be associated